update changelog

Author: T4rk1n

CHANGELOG.md

@@ -20,6 +20,9 @@ This project adheres to [Semantic Versioning](https://semver.org/).
 - [#3415](https://github.com/plotly/dash/pull/3415) Fix the error triggered when only a single no_update is returned for client-side callback functions with multiple Outputs. Fix [#3366](https://github.com/plotly/dash/issues/3366)
 - [#3416](https://github.com/plotly/dash/issues/3416) Fix DeprecationWarning in dash/_jupyter.py by migrating from deprecated ipykernel.comm.Comm to comm module
 
+## Deprecated
+- [#3482](https://github.com/plotly/dash/pull/3482) Deprecate dash_table.DataTable with replacement from `dash[ag-grid]` extra requirement.
+
 ## [3.2.0] - 2025-07-31
 
 ## Added